KIRK DAVID SHEL. (1993). CICS: A HOW-TO FOR COBOL PROGRAMMERS. SHROFF PUBLISHERS AND DISTRIBUTORS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKIRK DAVID SHEL. CICS: A HOW-TO FOR COBOL PROGRAMMERS. BOMBAY: SHROFF PUBLISHERS AND DISTRIBUTORS, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKIRK DAVID SHEL. CICS: A HOW-TO FOR COBOL PROGRAMMERS. SHROFF PUBLISHERS AND DISTRIBUTORS, 1993.
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